Display shelf



FIG. 1 is a perspective view of a display shelf showing our new design;

FIG. 2 is a side view thereof, the opposing side, the front and the back being identical; and,

FIG. 3 is a top view thereof.

The broken lines shown in the drawings are included for purposes of illustrating portions of the display shelf and form no part of the claimed design. 

CLAIM The ornamental design for a display shelf, as shown and described. 